Improved safety dumping-cage for mines



fw. z. HATGHER. SAFETY DUMPING CAGE FOR MINES. e

4l`0.v104,848. Patented June 28, 1870.

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WILLIAM HATOHER, OF. PLYMOUTH, PENNSYLVANIA, ASSIGrNORv T0 HIMSELF AND WILLIAM L. LANCE, OF SAME PLAGE.

Lette/rs .Patent No. 104,848, (lated J une 28', 1870.

IMPROVED SAFETY DUUMPING-CAG-E FOR MINES.

:The Schedule :referred to in. theme Letters Patent and making part of the same I, WILLIAM Z.' HATCHER, of Plymouth, county of Luzerne, State of Pennsylvania, have invented anl Improved Safety Dumping-Cage for Mines, of which the following is a specification. i

Nature and Object of 'my Invention.

My invention consists of certain safety hoisting and dumping-apparatus, fully described hereafter, whereby a loaded car' may be safely hoisted in ashattflame or tower to any desired height, vtilted or dumped, and afterward lowered.

Description of the Accompanying Drawing.'

General Description.

A is a towel', consisting of upright beams a a, vertical guiding-beams b b, and connecting cross-beams c c.

The lower port-ion of the shaft is within a pit, X, below the surface a: of the ground or that of a platform, on which is a railway-track, y.

On the guides b b a cage, B, is arranged to slide vertic-ally, the said cage consisting of upper transverse bars d d, secured to lower transverse bars dby suita- 'ble straps e e, and the said bars being recessed at the ends, so as to embrace the guides b b. l

Within the cage B is a frame, O, consisting of post to which a platformD, is secured by suitable braces or stays, the said platform havinga track which, when the cage is at the limit of its downward movement, coincides with the permanent track y.

The frame C is connected to the cage by a'pin, f, extending across the said cage, and near the upper part of the frame, on each side of the same, are antifriction pulleys h h, arranged as shown in the drawing, and bearing on opposite sides of the guides l) b,

for a purpose describedhereaiter.

[o a pin, i, between the rails on the platform D, is hung a lever, E, to theshort' arm of which is suspended a weight, g, for which, however, a suitable spring may be substituted, and' in the other arm' of the lever is a recess,n,'of such a size as to receivethe axle of a truck or car, F, the latter, when thecage is lowered, being run from the permanent track y, in the direction of the arrow, fig. 1, onto the platform, and depressing .the lever E until the front axle is above the slot fn, when the lever will rise, so as to embrace the said axle, and thus temporarily lock the car to the platform.

To the forward end-of the car is hung a door, k,

which may be secured to any suitable fastening device.

At each end of the transverse bar d, opposite the sides of the adjacent guide b, are hung two levers/m m, having cam-shaped serrated ends, between which the guide is griped when ythe jaws are turned 1n the direction of the arrows, to the position shown in fig. 5;

To the transverse bar d are hung` two cranked rods or levers, Gr' G, iigs. 4 and 5, the inner arms of the two-levers being connected to a link, 0,-which is secured to the 'lowerend of the hoisting-rope I, and the outer arms of' the` levers being so connected,^one to n one lever or jaw m, and the other to the other lever or jaw, that, when the hoisting-rope is entire, the leyvers mwill be in the position shown Iin fig. 4, and free :from contact with the guides; but when the hoisting- .rope breaks, the levers m will be in the position shown in iig. 2, and their cams will grip the guides,`so as to prevent the further descent of the cage.

A spring, s, secured to each jawor lever m, and to the pinon which it turns, tends to turn the jaw to the position shown in hg. 5.

At the sides of the tower A, near the upper end of the same, are two inclined rails, 't t, and in each guide b is au inclined slot, fw. o

After the loaded carhas been run onto the platform D, and locked by the lever E, the cage is elevated by means of -thc hbisting-rope, the pulleys h and h' heal'- ing against -the guides b, and maintaining the frame() in avertical position until the pulleys 7i. are opposite the slots w, when they will pass into the said slots, and the frame, owing to the upper ends of the guides b b being slightly inclined toward the rails t, will turn on the pin f until the wheels 7i' strike the said rails, on which they will bear as the cage continues its upward'movement, and this movement is continued un.

til the carriage has been turned to the position shown in 2.

The door of the car is now opened, to permit the contents to pass from the same onto a platform or suitable receptacle, or into the chute.

After the cal-.has Ibeen emptied the cage is lowered, when the inclined i'ails t-will direct-theframe toward a vertical position, until the pulleys h enter the inclined. slots fw, which will continue the movement of the tilting frame until it is upright, in which position .it will complete its descent. l

When the-platform D is level with the ground, the empty car F is withdrawn, (after depressing the lever E,) another loaded car pushed onto the platform, and alrepetition of the above-described movements takes p ace.

It will he seen that these operations are all auto matic, and requireno further superintendence than is necessary to arrest the motion of the cage when it4 is raised or lowered to the proper position, and to open the door of the'car.

It will also be seen that, should the hoisting-rope by any accident be broken, or detached from its drum, the cage will be arrested in its descent.

Claims.

1. The combination of the cage B, tilting platform D, its rollers h h', the guides b b, and the inclined guide-rails t t and slots w w, substantially as specified. 2. The combination of the cam-shaped jaws m m and the cranked rods G G, connected to the hoistingrope, and operating the jaws, substantially as described.

3. A. weighted or spring lever, E, or equivalent device, connected to the platform of the tilting frame,

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`and arranged for retaining a car thereon, substantially as described. Y y

4. Anti-friction pulleys hh, or their equivalents, connected to the aforesaid tilting frame, and adapted to the guides b b,`in combination with inclined slots w w in the guides and inclined vrails t t.

In testimony whereof I have signed my name to this specication, in the presence o f two subscribing witnesses.

.Witnessem JOHN WHITE, v HARRY SMITH.

WiLLIAM z; HATCHER.` 

